20344584

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{331}}^1$

素因数の和:550

約数の個数: 64

約数和(自身を含む): 55218240

約数和(自身を除く): 34873656

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 197, 312, 331, 394, 591, 662, 788, 993, 1182, 1324, 1576, 1986, 2364, 2561, 2648, 3972, 4303, 4728, 5122, 7683, 7944, 8606, 10244, 12909, 15366, 17212, 20488, 25818, 30732, 34424, 51636, 61464, 65207, 103272, 130414, 195621, 260828, 391242, 521656, 782484, 847691, 1564968, 1695382, 2543073, 3390764, 5086146, 6781528, 10172292, 20344584]

約数ペア:

[(1, 20344584), (2, 10172292), (3, 6781528), (4, 5086146), (6, 3390764), (8, 2543073), (12, 1695382), (13, 1564968), (24, 847691), (26, 782484), (39, 521656), (52, 391242), (78, 260828), (104, 195621), (156, 130414), (197, 103272), (312, 65207), (331, 61464), (394, 51636), (591, 34424), (662, 30732), (788, 25818), (993, 20488), (1182, 17212), (1324, 15366), (1576, 12909), (1986, 10244), (2364, 8606), (2561, 7944), (2648, 7683), (3972, 5122), (4303, 4728)]